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Finding the Fourth Proportional to 40,580.60, 60,842.10 and 18,404.60

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Solution

The fourth proportional to 40,580.60, 60,842.10 and 18,404.60 is: 27,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580.60 : 60,842.10 = 18,404.60 : x
  2. Step 2: Convert to fraction form
    40,580.60/60,842.10 = 18,404.60/x
  3. Step 3: Cross multiply
    40,580.60x = 60,842.10 × 18,404.60
  4. Step 4: Simplify right side
    40,580.60x = 1,119,774,513.66
  5. Step 5: Solve for x
    x = 1,119,774,513.66/40,580.60
  6. Step 6: Final answer
    x = 27,593.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.